test/test-functions

   1 #!/bin/bash
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4 PATH=/sbin:/bin:/usr/sbin:/usr/bin
   5 export PATH
   6
   7 LOOKS_LIKE_DEBIAN=$(source /etc/os-release && [[ "$ID" = "debian" || "$ID_LIKE" = "debian" ]] && echo yes || true)
   8 LOOKS_LIKE_ARCH=$(source /etc/os-release && [[ "$ID" = "arch" ]] && echo yes || true)
   9 LOOKS_LIKE_SUSE=$(source /etc/os-release && [[ "$ID_LIKE" = "suse" ]] && echo yes || true)
  10 KERNEL_VER=${KERNEL_VER-$(uname -r)}
  11 KERNEL_MODS="/lib/modules/$KERNEL_VER/"
  12 QEMU_TIMEOUT="${QEMU_TIMEOUT:-infinity}"
  13 NSPAWN_TIMEOUT="${NSPAWN_TIMEOUT:-infinity}"
  14 TIMED_OUT=  # will be 1 after run_* if *_TIMEOUT is set and test timed out
  15 [[ "$LOOKS_LIKE_SUSE" ]] && FSTYPE="${FSTYPE:-btrfs}" || FSTYPE="${FSTYPE:-ext4}"
  16 UNIFIED_CGROUP_HIERARCHY="${UNIFIED_CGROUP_HIERARCHY:-default}"
  17 EFI_MOUNT="$(bootctl -p 2>/dev/null || echo /boot)"
  18
  19 if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
  20     echo "WARNING! Cannot determine rootlibdir from pkg-config, assuming /usr/lib/systemd" >&2
  21     ROOTLIBDIR=/usr/lib/systemd
  22 fi
  23
  24 BASICTOOLS="test sh bash setsid loadkeys setfont login sulogin gzip sleep echo mount umount cryptsetup date dmsetup modprobe sed cmp tee rm true false chmod chown ln"
  25 DEBUGTOOLS="df free ls stty cat ps ln ip route dmesg dhclient mkdir cp ping dhclient strace less grep id tty touch du sort hostname find"
  26
  27 STATEDIR="${BUILD_DIR:-.}/test/$(basename $(dirname $(realpath $0)))"
  28 STATEFILE="$STATEDIR/.testdir"
  29 TESTLOG="$STATEDIR/test.log"
  30
  31 function find_qemu_bin() {
  32     # SUSE and Red Hat call the binary qemu-kvm
  33     # Debian and Gentoo call it kvm
  34     [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a kvm qemu-kvm 2>/dev/null | grep '^/' -m1)
  35
  36     [ "$ARCH" ] || ARCH=$(uname -m)
  37     case $ARCH in
  38     x86_64)
  39         # QEMU's own build system calls it qemu-system-x86_64
  40         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-x86_64 2>/dev/null | grep '^/' -m1)
  41         ;;
  42     i*86)
  43         # new i386 version of QEMU
  44         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-i386 2>/dev/null | grep '^/' -m1)
  45
  46         # i386 version of QEMU
  47         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu 2>/dev/null | grep '^/' -m1)
  48         ;;
  49     ppc64*)
  50         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-$ARCH 2>/dev/null | grep '^/' -m1)
  51         ;;
  52     esac
  53
  54     if [ ! -e "$QEMU_BIN" ]; then
  55         echo "Could not find a suitable QEMU binary" >&2
  56         return 1
  57     fi
  58 }
  59
  60 # Return 0 if QEMU did run (then you must check the result state/logs for actual
  61 # success), or 1 if QEMU is not available.
  62 run_qemu() {
  63     if [ -f /etc/machine-id ]; then
  64         read MACHINE_ID < /etc/machine-id
  65         [ -z "$INITRD" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd" ] \
  66             && INITRD="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd"
  67         [ -z "$KERNEL_BIN" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux" ] \
  68             && KERNEL_BIN="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux"
  69     fi
  70
  71     if [[ ! "$KERNEL_BIN" ]]; then
  72         if [[ "$LOOKS_LIKE_ARCH" ]]; then
  73             KERNEL_BIN=/boot/vmlinuz-linux
  74         else
  75             KERNEL_BIN=/boot/vmlinuz-$KERNEL_VER
  76         fi
  77     fi
  78
  79     default_fedora_initrd=/boot/initramfs-${KERNEL_VER}.img
  80     default_debian_initrd=/boot/initrd.img-${KERNEL_VER}
  81     default_arch_initrd=/boot/initramfs-linux.img
  82     default_suse_initrd=/boot/initrd-${KERNEL_VER}
  83     if [[ ! "$INITRD" ]]; then
  84         if [[ -e "$default_fedora_initrd" ]]; then
  85             INITRD="$default_fedora_initrd"
  86         elif [[ "$LOOKS_LIKE_DEBIAN" && -e "$default_debian_initrd" ]]; then
  87             INITRD="$default_debian_initrd"
  88         elif [[ "$LOOKS_LIKE_ARCH" && -e "$default_arch_initrd" ]]; then
  89             INITRD="$default_arch_initrd"
  90         elif [[ "$LOOKS_LIKE_SUSE" && -e "$default_suse_initrd" ]]; then
  91             INITRD="$default_suse_initrd"
  92         fi
  93     fi
  94
  95     [ "$QEMU_SMP" ]   || QEMU_SMP=1
  96
  97     find_qemu_bin || return 1
  98
  99     local _cgroup_args
 100     if [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" ]]; then
 101         _cgroup_args="systemd.unified_cgroup_hierarchy=yes"
 102     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
 103         _cgroup_args="systemd.unified_cgroup_hierarchy=no systemd.legacy_systemd_cgroup_controller=yes"
 104     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
 105         _cgroup_args="systemd.unified_cgroup_hierarchy=no systemd.legacy_systemd_cgroup_controller=no"
 106     elif [[ "$UNIFIED_CGROUP_HIERARCHY" != "default" ]]; then
 107         dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
 108         exit 1
 109     fi
 110
 111 if [[ "$LOOKS_LIKE_SUSE" ]]; then
 112     PARAMS+="rd.hostonly=0"
 113 else
 114     PARAMS+="ro"
 115 fi
 116
 117 KERNEL_APPEND="$PARAMS \
 118 root=/dev/sda1 \
 119 raid=noautodetect \
 120 loglevel=2 \
 121 init=$ROOTLIBDIR/systemd \
 122 console=ttyS0 \
 123 selinux=0 \
 124 $_cgroup_args \
 125 $KERNEL_APPEND \
 126 "
 127
 128     QEMU_OPTIONS="-smp $QEMU_SMP \
 129 -net none \
 130 -m 512M \
 131 -nographic \
 132 -kernel $KERNEL_BIN \
 133 -drive format=raw,cache=unsafe,file=${TESTDIR}/rootdisk.img \
 134 "
 135
 136     if [[ "$INITRD" && "$SKIP_INITRD" != "yes" ]]; then
 137         QEMU_OPTIONS="$QEMU_OPTIONS -initrd $INITRD"
 138     fi
 139
 140     if [ -c /dev/kvm ]; then
 141         QEMU_OPTIONS="$QEMU_OPTIONS -machine accel=kvm -enable-kvm -cpu host"
 142     fi
 143
 144     if [[ "$QEMU_TIMEOUT" != "infinity" ]]; then
 145         QEMU_BIN="timeout --foreground $QEMU_TIMEOUT $QEMU_BIN"
 146     fi
 147     (set -x; $QEMU_BIN $QEMU_OPTIONS -append "$KERNEL_APPEND")
 148     rc=$?
 149     if [ "$rc" = 124 ] && [ "$QEMU_TIMEOUT" != "infinity" ]; then
 150         derror "test timed out after $QEMU_TIMEOUT s"
 151         TIMED_OUT=1
 152     else
 153         [ "$rc" != 0 ] && derror "QEMU failed with exit code $rc"
 154     fi
 155     return 0
 156 }
 157
 158 # Return 0 if nspawn did run (then you must check the result state/logs for actual
 159 # success), or 1 if nspawn is not available.
 160 run_nspawn() {
 161     [[ -d /run/systemd/system ]] || return 1
 162
 163     local _nspawn_cmd="$BUILD_DIR/systemd-nspawn --register=no --kill-signal=SIGKILL --directory=$TESTDIR/nspawn-root $ROOTLIBDIR/systemd $KERNEL_APPEND"
 164     if [[ "$NSPAWN_TIMEOUT" != "infinity" ]]; then
 165         _nspawn_cmd="timeout --foreground $NSPAWN_TIMEOUT $_nspawn_cmd"
 166     fi
 167
 168     if [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
 169         dwarn "nspawn doesn't support UNIFIED_CGROUP_HIERARCHY=hybrid, skipping"
 170         exit
 171     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" || "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
 172         _nspawn_cmd="env UNIFIED_CGROUP_HIERARCHY=$UNIFIED_CGROUP_HIERARCHY $_nspawn_cmd"
 173     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "default" ]]; then
 174         _nspawn_cmd="env --unset=UNIFIED_CGROUP_HIERARCHY $_nspawn_cmd"
 175     else
 176         dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
 177         exit 1
 178     fi
 179
 180     (set -x; $_nspawn_cmd)
 181     rc=$?
 182     if [ "$rc" = 124 ] && [ "$NSPAWN_TIMEOUT" != "infinity" ]; then
 183         derror "test timed out after $NSPAWN_TIMEOUT s"
 184         TIMED_OUT=1
 185     else
 186         [ "$rc" != 0 ] && derror "nspawn failed with exit code $rc"
 187     fi
 188     return 0
 189 }
 190
 191 setup_basic_environment() {
 192     # create the basic filesystem layout
 193     setup_basic_dirs
 194
 195     install_systemd
 196     install_missing_libraries
 197     install_config_files
 198     create_rc_local
 199     install_basic_tools
 200     install_libnss
 201     install_pam
 202     install_dbus
 203     install_fonts
 204     install_keymaps
 205     install_terminfo
 206     install_execs
 207     install_fsck
 208     install_plymouth
 209     install_debug_tools
 210     install_ld_so_conf
 211     setup_selinux
 212     strip_binaries
 213     install_depmod_files
 214     generate_module_dependencies
 215 }
 216
 217 setup_selinux() {
 218     # don't forget KERNEL_APPEND='... selinux=1 ...'
 219     if [[ "$SETUP_SELINUX" != "yes" ]]; then
 220         ddebug "Don't setup SELinux"
 221         return 0
 222     fi
 223     ddebug "Setup SELinux"
 224     local _conf_dir=/etc/selinux
 225     local _fixfiles_tools="bash uname cat sort uniq awk grep egrep head expr find rm secon setfiles"
 226
 227     rm -rf $initdir/$_conf_dir
 228     if ! cp -ar $_conf_dir $initdir/$_conf_dir; then
 229         dfatal "Failed to copy $_conf_dir"
 230         exit 1
 231     fi
 232
 233     cat <<EOF >$initdir/etc/systemd/system/autorelabel.service
 234 [Unit]
 235 Description=Relabel all filesystems
 236 DefaultDependencies=no
 237 Requires=local-fs.target
 238 Conflicts=shutdown.target
 239 After=local-fs.target
 240 Before=sysinit.target shutdown.target
 241 ConditionSecurity=selinux
 242 ConditionPathExists=|/.autorelabel
 243
 244 [Service]
 245 ExecStart=/bin/sh -x -c 'echo 0 >/sys/fs/selinux/enforce && fixfiles -f -F relabel && rm /.autorelabel && systemctl --force reboot'
 246 Type=oneshot
 247 TimeoutSec=0
 248 RemainAfterExit=yes
 249 EOF
 250
 251     touch $initdir/.autorelabel
 252     mkdir -p $initdir/etc/systemd/system/basic.target.wants
 253     ln -fs autorelabel.service $initdir/etc/systemd/system/basic.target.wants/autorelabel.service
 254
 255     dracut_install $_fixfiles_tools
 256     dracut_install fixfiles
 257     dracut_install sestatus
 258 }
 259
 260 install_valgrind() {
 261     if ! type -p valgrind; then
 262         dfatal "Failed to install valgrind"
 263         exit 1
 264     fi
 265
 266     local _valgrind_bins=$(strace -e execve valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if /^execve\("([^"]+)"/')
 267     dracut_install $_valgrind_bins
 268
 269     local _valgrind_libs=$(LD_DEBUG=files valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if m{calling init: (/.*vgpreload_.*)}')
 270     dracut_install $_valgrind_libs
 271
 272     local _valgrind_dbg_and_supp=$(
 273         strace -e open valgrind /bin/true 2>&1 >/dev/null |
 274         perl -lne 'if (my ($fname) = /^open\("([^"]+).*= (?!-)\d+/) { print $fname if $fname =~ /debug|\.supp$/ }'
 275     )
 276     dracut_install $_valgrind_dbg_and_supp
 277 }
 278
 279 create_valgrind_wrapper() {
 280     local _valgrind_wrapper=$initdir/$ROOTLIBDIR/systemd-under-valgrind
 281     ddebug "Create $_valgrind_wrapper"
 282     cat >$_valgrind_wrapper <<EOF
 283 #!/bin/bash
 284
 285 mount -t proc proc /proc
 286 exec valgrind --leak-check=full --log-file=/valgrind.out $ROOTLIBDIR/systemd "\$@"
 287 EOF
 288     chmod 0755 $_valgrind_wrapper
 289 }
 290
 291 create_strace_wrapper() {
 292     local _strace_wrapper=$initdir/$ROOTLIBDIR/systemd-under-strace
 293     ddebug "Create $_strace_wrapper"
 294     cat >$_strace_wrapper <<EOF
 295 #!/bin/bash
 296
 297 exec strace -D -o /strace.out $ROOTLIBDIR/systemd "\$@"
 298 EOF
 299     chmod 0755 $_strace_wrapper
 300 }
 301
 302 install_fsck() {
 303     dracut_install /sbin/fsck*
 304     dracut_install -o /bin/fsck*
 305
 306     # fskc.reiserfs calls reiserfsck. so, install it
 307     dracut_install -o reiserfsck
 308 }
 309
 310 install_dmevent() {
 311     instmods dm_crypt =crypto
 312     type -P dmeventd >/dev/null && dracut_install dmeventd
 313     inst_libdir_file "libdevmapper-event.so*"
 314     if [[ "$LOOKS_LIKE_DEBIAN" ]]; then
 315         # dmsetup installs 55-dm and 60-persistent-storage-dm on Debian/Ubuntu
 316         # and since buster/bionic 95-dm-notify.rules
 317         # see https://gitlab.com/debian-lvm/lvm2/blob/master/debian/patches/udev.patch
 318         inst_rules 55-dm.rules 60-persistent-storage-dm.rules 95-dm-notify.rules
 319     else
 320         inst_rules 10-dm.rules 13-dm-disk.rules 95-dm-notify.rules
 321     fi
 322 }
 323
 324 install_systemd() {
 325     # install compiled files
 326     local _ninja_bin=$(type -P ninja || type -P ninja-build)
 327     if [[ -z "$_ninja_bin" ]]; then
 328         dfatal "ninja was not found"
 329         exit 1
 330     fi
 331     (set -x; DESTDIR=$initdir "$_ninja_bin" -C $BUILD_DIR install)
 332     # remove unneeded documentation
 333     rm -fr $initdir/usr/share/{man,doc}
 334     # we strip binaries since debug symbols increase binaries size a lot
 335     # and it could fill the available space
 336     strip_binaries
 337
 338    [[ "$LOOKS_LIKE_SUSE" ]] && setup_suse
 339
 340     # enable debug logging in PID1
 341     echo LogLevel=debug >> $initdir/etc/systemd/system.conf
 342 }
 343
 344 get_ldpath() {
 345     local _bin="$1"
 346     objdump -p "$_bin" 2>/dev/null | awk "/R(UN)?PATH/ { print \"$initdir\" \$2 }" | paste -sd :
 347 }
 348
 349 install_missing_libraries() {
 350     # install possible missing libraries
 351     for i in $initdir{,/usr}/{sbin,bin}/* $initdir{,/usr}/lib/systemd/*; do
 352         LD_LIBRARY_PATH=$(get_ldpath $i) inst_libs $i
 353     done
 354 }
 355
 356 create_empty_image() {
 357     rm -f "$TESTDIR/rootdisk.img"
 358     # Create the blank file to use as a root filesystem
 359     dd if=/dev/null of="$TESTDIR/rootdisk.img" bs=1M seek=400
 360     LOOPDEV=$(losetup --show -P -f $TESTDIR/rootdisk.img)
 361     [ -b "$LOOPDEV" ] || return 1
 362     echo "LOOPDEV=$LOOPDEV" >> $STATEFILE
 363     sfdisk "$LOOPDEV" <<EOF
 364 ,390M
 365 ,
 366 EOF
 367
 368     local _label="-L systemd"
 369     # mkfs.reiserfs doesn't know -L. so, use --label instead
 370     [[ "$FSTYPE" == "reiserfs" ]] && _label="--label systemd"
 371     if ! mkfs -t "${FSTYPE}" ${_label} "${LOOPDEV}p1" -q; then
 372         dfatal "Failed to mkfs -t ${FSTYPE}"
 373         exit 1
 374     fi
 375 }
 376
 377 check_result_nspawn() {
 378     ret=1
 379     [[ -e $TESTDIR/nspawn-root/testok ]] && ret=0
 380     [[ -f $TESTDIR/nspawn-root/failed ]] && cp -a $TESTDIR/nspawn-root/failed $TESTDIR
 381     cp -a $TESTDIR/nspawn-root/var/log/journal $TESTDIR
 382     [[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
 383     ls -l $TESTDIR/journal/*/*.journal
 384     test -s $TESTDIR/failed && ret=$(($ret+1))
 385     [ -n "$TIMED_OUT" ] && ret=$(($ret+1))
 386     return $ret
 387 }
 388
 389 # can be overridden in specific test
 390 check_result_qemu() {
 391     ret=1
 392     mkdir -p $TESTDIR/root
 393     mount ${LOOPDEV}p1 $TESTDIR/root
 394     [[ -e $TESTDIR/root/testok ]] && ret=0
 395     [[ -f $TESTDIR/root/failed ]] && cp -a $TESTDIR/root/failed $TESTDIR
 396     cp -a $TESTDIR/root/var/log/journal $TESTDIR
 397     umount $TESTDIR/root
 398     [[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
 399     ls -l $TESTDIR/journal/*/*.journal
 400     test -s $TESTDIR/failed && ret=$(($ret+1))
 401     [ -n "$TIMED_OUT" ] && ret=$(($ret+1))
 402     return $ret
 403 }
 404
 405 strip_binaries() {
 406     if [[ "$STRIP_BINARIES" = "no" ]]; then
 407         ddebug "Don't strip binaries"
 408         return 0
 409     fi
 410     ddebug "Strip binaries"
 411     find "$initdir" -executable -not -path '*/lib/modules/*.ko' -type f | xargs strip --strip-unneeded | ddebug
 412 }
 413
 414 create_rc_local() {
 415     mkdir -p $initdir/etc/rc.d
 416     cat >$initdir/etc/rc.d/rc.local <<EOF
 417 #!/bin/bash
 418 exit 0
 419 EOF
 420     chmod 0755 $initdir/etc/rc.d/rc.local
 421 }
 422
 423 install_execs() {
 424     ddebug "install any Execs from the service files"
 425     (
 426     export PKG_CONFIG_PATH=$BUILD_DIR/src/core/
 427     systemdsystemunitdir=$(pkg-config --variable=systemdsystemunitdir systemd)
 428     systemduserunitdir=$(pkg-config --variable=systemduserunitdir systemd)
 429     egrep -ho '^Exec[^ ]*=[^ ]+' $initdir/{$systemdsystemunitdir,$systemduserunitdir}/*.service \
 430          | while read i; do
 431          i=${i##Exec*=}; i=${i##[@+\!-]}; i=${i##\!}
 432          # some {rc,halt}.local scripts and programs are okay to not exist, the rest should
 433          inst $i || [ "${i%.local}" != "$i" ] || [ "${i%systemd-update-done}" != "$i" ]
 434      done
 435     )
 436 }
 437
 438 generate_module_dependencies() {
 439     if [[ -d $initdir/lib/modules/$KERNEL_VER ]] && \
 440         ! depmod -a -b "$initdir" $KERNEL_VER; then
 441             dfatal "\"depmod -a $KERNEL_VER\" failed."
 442             exit 1
 443     fi
 444 }
 445
 446 install_depmod_files() {
 447     inst /lib/modules/$KERNEL_VER/modules.order
 448     inst /lib/modules/$KERNEL_VER/modules.builtin
 449 }
 450
 451 install_plymouth() {
 452     # install plymouth, if found... else remove plymouth service files
 453     # if [ -x /usr/libexec/plymouth/plymouth-populate-initrd ]; then
 454     #     PLYMOUTH_POPULATE_SOURCE_FUNCTIONS="$TEST_BASE_DIR/test-functions" \
 455     #         /usr/libexec/plymouth/plymouth-populate-initrd -t $initdir
 456     #         dracut_install plymouth plymouthd
 457     # else
 458         rm -f $initdir/{usr/lib,etc}/systemd/system/plymouth* $initdir/{usr/lib,etc}/systemd/system/*/plymouth*
 459     # fi
 460 }
 461
 462 install_ld_so_conf() {
 463     cp -a /etc/ld.so.conf* $initdir/etc
 464     ldconfig -r "$initdir"
 465 }
 466
 467 install_config_files() {
 468     inst /etc/sysconfig/init || true
 469     inst /etc/passwd
 470     inst /etc/shadow
 471     inst /etc/login.defs
 472     inst /etc/group
 473     inst /etc/shells
 474     inst /etc/nsswitch.conf
 475     inst /etc/pam.conf || true
 476     inst /etc/securetty || true
 477     inst /etc/os-release
 478     inst /etc/localtime
 479     # we want an empty environment
 480     > $initdir/etc/environment
 481     > $initdir/etc/machine-id
 482     # set the hostname
 483     echo systemd-testsuite > $initdir/etc/hostname
 484     # fstab
 485     if [[ "$LOOKS_LIKE_SUSE" ]]; then
 486        ROOTMOUNT="/dev/sda1           /       ${FSTYPE}    rw 0 1"
 487     else
 488        ROOTMOUNT="LABEL=systemd           /       ${FSTYPE}    rw 0 1"
 489     fi
 490
 491     cat >$initdir/etc/fstab <<EOF
 492 $ROOTMOUNT
 493 EOF
 494 }
 495
 496 install_basic_tools() {
 497     [[ $BASICTOOLS ]] && dracut_install $BASICTOOLS
 498     dracut_install -o sushell
 499     # in Debian ldconfig is just a shell script wrapper around ldconfig.real
 500     dracut_install -o ldconfig.real
 501 }
 502
 503 install_debug_tools() {
 504     [[ $DEBUGTOOLS ]] && dracut_install $DEBUGTOOLS
 505 }
 506
 507 install_libnss() {
 508     # install libnss_files for login
 509     NSS_LIBS=$(LD_DEBUG=files getent passwd 2>&1 >/dev/null |sed -n '/calling init: .*libnss_/ {s!^.* /!/!; p}')
 510     dracut_install $NSS_LIBS
 511 }
 512
 513 install_dbus() {
 514     inst $ROOTLIBDIR/system/dbus.socket
 515     inst $ROOTLIBDIR/system/dbus.service
 516
 517     find \
 518         /etc/dbus-1 /usr/share/dbus-1 -xtype f \
 519         | while read file; do
 520         inst $file
 521     done
 522 }
 523
 524 install_pam() {
 525     (
 526     if [[ "$LOOKS_LIKE_DEBIAN" ]] && type -p dpkg-architecture &>/dev/null; then
 527         find "/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)/security" -xtype f
 528     else
 529         find /lib*/security -xtype f
 530     fi
 531     find /etc/pam.d /etc/security -xtype f
 532     ) | while read file; do
 533         inst $file
 534     done
 535
 536     # pam_unix depends on unix_chkpwd.
 537     # see http://www.linux-pam.org/Linux-PAM-html/sag-pam_unix.html
 538     dracut_install -o unix_chkpwd
 539
 540     [[ "$LOOKS_LIKE_DEBIAN" ]] &&
 541         cp /etc/pam.d/systemd-user $initdir/etc/pam.d/
 542
 543     # set empty root password for easy debugging
 544     sed -i 's/^root:x:/root::/' $initdir/etc/passwd
 545 }
 546
 547 install_keymaps() {
 548     for i in \
 549         /usr/lib/kbd/keymaps/include/* \
 550         /usr/lib/kbd/keymaps/i386/include/* \
 551         /usr/lib/kbd/keymaps/i386/qwerty/us.*; do
 552             [[ -f $i ]] || continue
 553             inst $i
 554     done
 555 }
 556
 557 install_fonts() {
 558     for i in \
 559         /usr/lib/kbd/consolefonts/eurlatgr* \
 560         /usr/lib/kbd/consolefonts/latarcyrheb-sun16*; do
 561             [[ -f $i ]] || continue
 562             inst $i
 563     done
 564 }
 565
 566 install_terminfo() {
 567     for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
 568         [ -f ${_terminfodir}/l/linux ] && break
 569     done
 570     dracut_install -o ${_terminfodir}/l/linux
 571 }
 572
 573 setup_testsuite() {
 574     cp $TEST_BASE_DIR/testsuite.target $initdir/etc/systemd/system/
 575     cp $TEST_BASE_DIR/end.service $initdir/etc/systemd/system/
 576
 577     mkdir -p $initdir/etc/systemd/system/testsuite.target.wants
 578     ln -fs $TEST_BASE_DIR/testsuite.service $initdir/etc/systemd/system/testsuite.target.wants/testsuite.service
 579     ln -fs $TEST_BASE_DIR/end.service $initdir/etc/systemd/system/testsuite.target.wants/end.service
 580
 581     # make the testsuite the default target
 582     ln -fs testsuite.target $initdir/etc/systemd/system/default.target
 583 }
 584
 585 setup_nspawn_root() {
 586     rm -fr $TESTDIR/nspawn-root
 587     ddebug "cp -ar $initdir $TESTDIR/nspawn-root"
 588     cp -ar $initdir $TESTDIR/nspawn-root
 589     # we don't mount in the nspawn root
 590     rm -f $TESTDIR/nspawn-root/etc/fstab
 591 }
 592
 593 setup_basic_dirs() {
 594     mkdir -p $initdir/run
 595     mkdir -p $initdir/etc/systemd/system
 596     mkdir -p $initdir/var/log/journal
 597
 598     for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log dev proc sys sysroot root run run/lock run/initramfs; do
 599         if [ -L "/$d" ]; then
 600             inst_symlink "/$d"
 601         else
 602             inst_dir "/$d"
 603         fi
 604     done
 605
 606     ln -sfn /run "$initdir/var/run"
 607     ln -sfn /run/lock "$initdir/var/lock"
 608 }
 609
 610 inst_libs() {
 611     local _bin=$1
 612     local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
 613     local _file _line
 614
 615     LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
 616         [[ $_line = 'not a dynamic executable' ]] && break
 617
 618         if [[ $_line =~ $_so_regex ]]; then
 619             _file=${BASH_REMATCH[1]}
 620             [[ -e ${initdir}/$_file ]] && continue
 621             inst_library "$_file"
 622             continue
 623         fi
 624
 625         if [[ $_line =~ not\ found ]]; then
 626             dfatal "Missing a shared library required by $_bin."
 627             dfatal "Run \"ldd $_bin\" to find out what it is."
 628             dfatal "$_line"
 629             dfatal "dracut cannot create an initrd."
 630             exit 1
 631         fi
 632     done
 633 }
 634
 635 import_testdir() {
 636     [[ -e $STATEFILE ]] && . $STATEFILE
 637     if [[ -z "$TESTDIR" ]] || [[ ! -d "$TESTDIR" ]]; then
 638         TESTDIR=$(mktemp --tmpdir=/var/tmp -d -t systemd-test.XXXXXX)
 639         echo "TESTDIR=\"$TESTDIR\"" > $STATEFILE
 640         export TESTDIR
 641     fi
 642 }
 643
 644 import_initdir() {
 645     initdir=$TESTDIR/root
 646     export initdir
 647 }
 648
 649 ## @brief Converts numeric logging level to the first letter of level name.
 650 #
 651 # @param lvl Numeric logging level in range from 1 to 6.
 652 # @retval 1 if @a lvl is out of range.
 653 # @retval 0 if @a lvl is correct.
 654 # @result Echoes first letter of level name.
 655 _lvl2char() {
 656     case "$1" in
 657         1) echo F;;
 658         2) echo E;;
 659         3) echo W;;
 660         4) echo I;;
 661         5) echo D;;
 662         6) echo T;;
 663         *) return 1;;
 664     esac
 665 }
 666
 667 ## @brief Internal helper function for _do_dlog()
 668 #
 669 # @param lvl Numeric logging level.
 670 # @param msg Message.
 671 # @retval 0 It's always returned, even if logging failed.
 672 #
 673 # @note This function is not supposed to be called manually. Please use
 674 # dtrace(), ddebug(), or others instead which wrap this one.
 675 #
 676 # This function calls _do_dlog() either with parameter msg, or if
 677 # none is given, it will read standard input and will use every line as
 678 # a message.
 679 #
 680 # This enables:
 681 # dwarn "This is a warning"
 682 # echo "This is a warning" | dwarn
 683 LOG_LEVEL=4
 684
 685 dlog() {
 686     [ -z "$LOG_LEVEL" ] && return 0
 687     [ $1 -le $LOG_LEVEL ] || return 0
 688     local lvl="$1"; shift
 689     local lvlc=$(_lvl2char "$lvl") || return 0
 690
 691     if [ $# -ge 1 ]; then
 692         echo "$lvlc: $*"
 693     else
 694         while read line; do
 695             echo "$lvlc: " "$line"
 696         done
 697     fi
 698 }
 699
 700 ## @brief Logs message at TRACE level (6)
 701 #
 702 # @param msg Message.
 703 # @retval 0 It's always returned, even if logging failed.
 704 dtrace() {
 705     set +x
 706     dlog 6 "$@"
 707     [ -n "$debug" ] && set -x || :
 708 }
 709
 710 ## @brief Logs message at DEBUG level (5)
 711 #
 712 # @param msg Message.
 713 # @retval 0 It's always returned, even if logging failed.
 714 ddebug() {
 715 #    set +x
 716     dlog 5 "$@"
 717 #    [ -n "$debug" ] && set -x || :
 718 }
 719
 720 ## @brief Logs message at INFO level (4)
 721 #
 722 # @param msg Message.
 723 # @retval 0 It's always returned, even if logging failed.
 724 dinfo() {
 725     set +x
 726     dlog 4 "$@"
 727     [ -n "$debug" ] && set -x || :
 728 }
 729
 730 ## @brief Logs message at WARN level (3)
 731 #
 732 # @param msg Message.
 733 # @retval 0 It's always returned, even if logging failed.
 734 dwarn() {
 735     set +x
 736     dlog 3 "$@"
 737     [ -n "$debug" ] && set -x || :
 738 }
 739
 740 ## @brief Logs message at ERROR level (2)
 741 #
 742 # @param msg Message.
 743 # @retval 0 It's always returned, even if logging failed.
 744 derror() {
 745 #    set +x
 746     dlog 2 "$@"
 747 #    [ -n "$debug" ] && set -x || :
 748 }
 749
 750 ## @brief Logs message at FATAL level (1)
 751 #
 752 # @param msg Message.
 753 # @retval 0 It's always returned, even if logging failed.
 754 dfatal() {
 755     set +x
 756     dlog 1 "$@"
 757     [ -n "$debug" ] && set -x || :
 758 }
 759
 760
 761 # Generic substring function.  If $2 is in $1, return 0.
 762 strstr() { [ "${1#*$2*}" != "$1" ]; }
 763
 764 # normalize_path <path>
 765 # Prints the normalized path, where it removes any duplicated
 766 # and trailing slashes.
 767 # Example:
 768 # $ normalize_path ///test/test//
 769 # /test/test
 770 normalize_path() {
 771     shopt -q -s extglob
 772     set -- "${1//+(\/)//}"
 773     shopt -q -u extglob
 774     echo "${1%/}"
 775 }
 776
 777 # convert_abs_rel <from> <to>
 778 # Prints the relative path, when creating a symlink to <to> from <from>.
 779 # Example:
 780 # $ convert_abs_rel /usr/bin/test /bin/test-2
 781 # ../../bin/test-2
 782 # $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test
 783 convert_abs_rel() {
 784     local __current __absolute __abssize __cursize __newpath
 785     local -i __i __level
 786
 787     set -- "$(normalize_path "$1")" "$(normalize_path "$2")"
 788
 789     # corner case #1 - self looping link
 790     [[ "$1" == "$2" ]] && { echo "${1##*/}"; return; }
 791
 792     # corner case #2 - own dir link
 793     [[ "${1%/*}" == "$2" ]] && { echo "."; return; }
 794
 795     IFS="/" __current=($1)
 796     IFS="/" __absolute=($2)
 797
 798     __abssize=${#__absolute[@]}
 799     __cursize=${#__current[@]}
 800
 801     while [[ ${__absolute[__level]} == ${__current[__level]} ]]
 802     do
 803         (( __level++ ))
 804         if (( __level > __abssize || __level > __cursize ))
 805         then
 806             break
 807         fi
 808     done
 809
 810     for ((__i = __level; __i < __cursize-1; __i++))
 811     do
 812         if ((__i > __level))
 813         then
 814             __newpath=$__newpath"/"
 815         fi
 816         __newpath=$__newpath".."
 817     done
 818
 819     for ((__i = __level; __i < __abssize; __i++))
 820     do
 821         if [[ -n $__newpath ]]
 822         then
 823             __newpath=$__newpath"/"
 824         fi
 825         __newpath=$__newpath${__absolute[__i]}
 826     done
 827
 828     echo "$__newpath"
 829 }
 830
 831
 832 # Install a directory, keeping symlinks as on the original system.
 833 # Example: if /lib points to /lib64 on the host, "inst_dir /lib/file"
 834 # will create ${initdir}/lib64, ${initdir}/lib64/file,
 835 # and a symlink ${initdir}/lib -> lib64.
 836 inst_dir() {
 837     [[ -e ${initdir}/"$1" ]] && return 0  # already there
 838
 839     local _dir="$1" _part="${1%/*}" _file
 840     while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do
 841         _dir="$_part $_dir"
 842         _part=${_part%/*}
 843     done
 844
 845     # iterate over parent directories
 846     for _file in $_dir; do
 847         [[ -e "${initdir}/$_file" ]] && continue
 848         if [[ -L $_file ]]; then
 849             inst_symlink "$_file"
 850         else
 851             # create directory
 852             mkdir -m 0755 -p "${initdir}/$_file" || return 1
 853             [[ -e "$_file" ]] && chmod --reference="$_file" "${initdir}/$_file"
 854             chmod u+w "${initdir}/$_file"
 855         fi
 856     done
 857 }
 858
 859 # $1 = file to copy to ramdisk
 860 # $2 (optional) Name for the file on the ramdisk
 861 # Location of the image dir is assumed to be $initdir
 862 # We never overwrite the target if it exists.
 863 inst_simple() {
 864     [[ -f "$1" ]] || return 1
 865     strstr "$1" "/" || return 1
 866
 867     local _src=$1 target="${2:-$1}"
 868     if ! [[ -d ${initdir}/$target ]]; then
 869         [[ -e ${initdir}/$target ]] && return 0
 870         [[ -L ${initdir}/$target ]] && return 0
 871         [[ -d "${initdir}/${target%/*}" ]] || inst_dir "${target%/*}"
 872     fi
 873     # install checksum files also
 874     if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
 875         inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
 876     fi
 877     ddebug "Installing $_src"
 878     cp --sparse=always -pfL "$_src" "${initdir}/$target"
 879 }
 880
 881 # find symlinks linked to given library file
 882 # $1 = library file
 883 # Function searches for symlinks by stripping version numbers appended to
 884 # library filename, checks if it points to the same target and finally
 885 # prints the list of symlinks to stdout.
 886 #
 887 # Example:
 888 # rev_lib_symlinks libfoo.so.8.1
 889 # output: libfoo.so.8 libfoo.so
 890 # (Only if libfoo.so.8 and libfoo.so exists on host system.)
 891 rev_lib_symlinks() {
 892     [[ ! $1 ]] && return 0
 893
 894     local fn="$1" orig="$(readlink -f "$1")" links=''
 895
 896     [[ ${fn} =~ .*\.so\..* ]] || return 1
 897
 898     until [[ ${fn##*.} == so ]]; do
 899         fn="${fn%.*}"
 900         [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
 901     done
 902
 903     echo "${links}"
 904 }
 905
 906 # Same as above, but specialized to handle dynamic libraries.
 907 # It handles making symlinks according to how the original library
 908 # is referenced.
 909 inst_library() {
 910     local _src="$1" _dest=${2:-$1} _lib _reallib _symlink
 911     strstr "$1" "/" || return 1
 912     [[ -e $initdir/$_dest ]] && return 0
 913     if [[ -L $_src ]]; then
 914         # install checksum files also
 915         if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
 916             inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac"
 917         fi
 918         _reallib=$(readlink -f "$_src")
 919         inst_simple "$_reallib" "$_reallib"
 920         inst_dir "${_dest%/*}"
 921         [[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/}
 922         ln -sfn $(convert_abs_rel "${_dest}" "${_reallib}") "${initdir}/${_dest}"
 923     else
 924         inst_simple "$_src" "$_dest"
 925     fi
 926
 927     # Create additional symlinks.  See rev_symlinks description.
 928     for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do
 929         [[ -e $initdir/$_symlink ]] || {
 930             ddebug "Creating extra symlink: $_symlink"
 931             inst_symlink $_symlink
 932         }
 933     done
 934 }
 935
 936 # find a binary.  If we were not passed the full path directly,
 937 # search in the usual places to find the binary.
 938 find_binary() {
 939     if [[ -z ${1##/*} ]]; then
 940         if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; };  then
 941             echo $1
 942             return 0
 943         fi
 944     fi
 945
 946     type -P $1
 947 }
 948
 949 # Same as above, but specialized to install binary executables.
 950 # Install binary executable, and all shared library dependencies, if any.
 951 inst_binary() {
 952     local _bin _target
 953     _bin=$(find_binary "$1") || return 1
 954     _target=${2:-$_bin}
 955     [[ -e $initdir/$_target ]] && return 0
 956     [[ -L $_bin ]] && inst_symlink $_bin $_target && return 0
 957     local _file _line
 958     local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
 959     # I love bash!
 960     LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
 961         [[ $_line = 'not a dynamic executable' ]] && break
 962
 963         if [[ $_line =~ $_so_regex ]]; then
 964             _file=${BASH_REMATCH[1]}
 965             [[ -e ${initdir}/$_file ]] && continue
 966             inst_library "$_file"
 967             continue
 968         fi
 969
 970         if [[ $_line =~ not\ found ]]; then
 971             dfatal "Missing a shared library required by $_bin."
 972             dfatal "Run \"ldd $_bin\" to find out what it is."
 973             dfatal "$_line"
 974             dfatal "dracut cannot create an initrd."
 975             exit 1
 976         fi
 977     done
 978     inst_simple "$_bin" "$_target"
 979 }
 980
 981 # same as above, except for shell scripts.
 982 # If your shell script does not start with shebang, it is not a shell script.
 983 inst_script() {
 984     local _bin
 985     _bin=$(find_binary "$1") || return 1
 986     shift
 987     local _line _shebang_regex
 988     read -r -n 80 _line <"$_bin"
 989     # If debug is set, clean unprintable chars to prevent messing up the term
 990     [[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]')
 991     _shebang_regex='(#! *)(/[^ ]+).*'
 992     [[ $_line =~ $_shebang_regex ]] || return 1
 993     inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@"
 994 }
 995
 996 # same as above, but specialized for symlinks
 997 inst_symlink() {
 998     local _src=$1 _target=${2:-$1} _realsrc
 999     strstr "$1" "/" || return 1
1000     [[ -L $1 ]] || return 1
1001     [[ -L $initdir/$_target ]] && return 0
1002     _realsrc=$(readlink -f "$_src")
1003     if ! [[ -e $initdir/$_realsrc ]]; then
1004         if [[ -d $_realsrc ]]; then
1005             inst_dir "$_realsrc"
1006         else
1007             inst "$_realsrc"
1008         fi
1009     fi
1010     [[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}"
1011     [[ -d ${_target%/*} ]] && _target=$(readlink -f ${_target%/*})/${_target##*/}
1012     ln -sfn $(convert_abs_rel "${_target}" "${_realsrc}") "$initdir/$_target"
1013 }
1014
1015 # attempt to install any programs specified in a udev rule
1016 inst_rule_programs() {
1017     local _prog _bin
1018
1019     if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then
1020         for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\1/'); do
1021             if [ -x /lib/udev/$_prog ]; then
1022                 _bin=/lib/udev/$_prog
1023             else
1024                 _bin=$(find_binary "$_prog") || {
1025                     dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found"
1026                     continue;
1027                 }
1028             fi
1029
1030             #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)"
1031             dracut_install "$_bin"
1032         done
1033     fi
1034 }
1035
1036 # udev rules always get installed in the same place, so
1037 # create a function to install them to make life simpler.
1038 inst_rules() {
1039     local _target=/etc/udev/rules.d _rule _found
1040
1041     inst_dir "/lib/udev/rules.d"
1042     inst_dir "$_target"
1043     for _rule in "$@"; do
1044         if [ "${rule#/}" = "$rule" ]; then
1045             for r in /lib/udev/rules.d /etc/udev/rules.d; do
1046                 if [[ -f $r/$_rule ]]; then
1047                     _found="$r/$_rule"
1048                     inst_simple "$_found"
1049                     inst_rule_programs "$_found"
1050                 fi
1051             done
1052         fi
1053         for r in '' ./ $dracutbasedir/rules.d/; do
1054             if [[ -f ${r}$_rule ]]; then
1055                 _found="${r}$_rule"
1056                 inst_simple "$_found" "$_target/${_found##*/}"
1057                 inst_rule_programs "$_found"
1058             fi
1059         done
1060         [[ $_found ]] || dinfo "Skipping udev rule: $_rule"
1061         _found=
1062     done
1063 }
1064
1065 # general purpose installation function
1066 # Same args as above.
1067 inst() {
1068     local _x
1069
1070     case $# in
1071         1) ;;
1072         2) [[ ! $initdir && -d $2 ]] && export initdir=$2
1073             [[ $initdir = $2 ]] && set $1;;
1074         3) [[ -z $initdir ]] && export initdir=$2
1075             set $1 $3;;
1076         *) dfatal "inst only takes 1 or 2 or 3 arguments"
1077             exit 1;;
1078     esac
1079     for _x in inst_symlink inst_script inst_binary inst_simple; do
1080         $_x "$@" && return 0
1081     done
1082     return 1
1083 }
1084
1085 # install any of listed files
1086 #
1087 # If first argument is '-d' and second some destination path, first accessible
1088 # source is installed into this path, otherwise it will installed in the same
1089 # path as source.  If none of listed files was installed, function return 1.
1090 # On first successful installation it returns with 0 status.
1091 #
1092 # Example:
1093 #
1094 # inst_any -d /bin/foo /bin/bar /bin/baz
1095 #
1096 # Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
1097 # initramfs.
1098 inst_any() {
1099     local to f
1100
1101     [[ $1 = '-d' ]] && to="$2" && shift 2
1102
1103     for f in "$@"; do
1104         if [[ -e $f ]]; then
1105             [[ $to ]] && inst "$f" "$to" && return 0
1106             inst "$f" && return 0
1107         fi
1108     done
1109
1110     return 1
1111 }
1112
1113 # dracut_install [-o ] <file> [<file> ... ]
1114 # Install <file> to the initramfs image
1115 # -o optionally install the <file> and don't fail, if it is not there
1116 dracut_install() {
1117     local _optional=no
1118     if [[ $1 = '-o' ]]; then
1119         _optional=yes
1120         shift
1121     fi
1122     while (($# > 0)); do
1123         if ! inst "$1" ; then
1124             if [[ $_optional = yes ]]; then
1125                 dinfo "Skipping program $1 as it cannot be found and is" \
1126                     "flagged to be optional"
1127             else
1128                 dfatal "Failed to install $1"
1129                 exit 1
1130             fi
1131         fi
1132         shift
1133     done
1134 }
1135
1136 # Install a single kernel module along with any firmware it may require.
1137 # $1 = full path to kernel module to install
1138 install_kmod_with_fw() {
1139     # no need to go further if the module is already installed
1140
1141     [[ -e "${initdir}/lib/modules/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" ]] \
1142         && return 0
1143
1144     [[ -e "$initdir/.kernelmodseen/${1##*/}" ]] && return 0
1145
1146     if [[ $omit_drivers ]]; then
1147         local _kmod=${1##*/}
1148         _kmod=${_kmod%.ko}
1149         _kmod=${_kmod/-/_}
1150         if [[ "$_kmod" =~ $omit_drivers ]]; then
1151             dinfo "Omitting driver $_kmod"
1152             return 1
1153         fi
1154         if [[ "${1##*/lib/modules/$KERNEL_VER/}" =~ $omit_drivers ]]; then
1155             dinfo "Omitting driver $_kmod"
1156             return 1
1157         fi
1158     fi
1159
1160     [ -d "$initdir/.kernelmodseen" ] && \
1161         > "$initdir/.kernelmodseen/${1##*/}"
1162
1163     inst_simple "$1" "/lib/modules/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" \
1164         || return $?
1165
1166     local _modname=${1##*/} _fwdir _found _fw
1167     _modname=${_modname%.ko*}
1168     for _fw in $(modinfo -k $KERNEL_VER -F firmware $1 2>/dev/null); do
1169         _found=''
1170         for _fwdir in $fw_dir; do
1171             if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
1172                 inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw"
1173                 _found=yes
1174             fi
1175         done
1176         if [[ $_found != yes ]]; then
1177             if ! grep -qe "\<${_modname//-/_}\>" /proc/modules; then
1178                 dinfo "Possible missing firmware \"${_fw}\" for kernel module" \
1179                     "\"${_modname}.ko\""
1180             else
1181                 dwarn "Possible missing firmware \"${_fw}\" for kernel module" \
1182                     "\"${_modname}.ko\""
1183             fi
1184         fi
1185     done
1186     return 0
1187 }
1188
1189 # Do something with all the dependencies of a kernel module.
1190 # Note that kernel modules depend on themselves using the technique we use
1191 # $1 = function to call for each dependency we find
1192 #      It will be passed the full path to the found kernel module
1193 # $2 = module to get dependencies for
1194 # rest of args = arguments to modprobe
1195 # _fderr specifies FD passed from surrounding scope
1196 for_each_kmod_dep() {
1197     local _func=$1 _kmod=$2 _cmd _modpath _options _found=0
1198     shift 2
1199     modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | (
1200         while read _cmd _modpath _options; do
1201             [[ $_cmd = insmod ]] || continue
1202             $_func ${_modpath} || exit $?
1203             _found=1
1204         done
1205         [[ $_found -eq 0 ]] && exit 1
1206         exit 0
1207     )
1208 }
1209
1210 # filter kernel modules to install certain modules that meet specific
1211 # requirements.
1212 # $1 = search only in subdirectory of /kernel/$1
1213 # $2 = function to call with module name to filter.
1214 #      This function will be passed the full path to the module to test.
1215 # The behavior of this function can vary depending on whether $hostonly is set.
1216 # If it is, we will only look at modules that are already in memory.
1217 # If it is not, we will look at all kernel modules
1218 # This function returns the full filenames of modules that match $1
1219 filter_kernel_modules_by_path () (
1220     local _modname _filtercmd
1221     if ! [[ $hostonly ]]; then
1222         _filtercmd='find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra"'
1223         _filtercmd+=' "$KERNEL_MODS/weak-updates" -name "*.ko" -o -name "*.ko.gz"'
1224         _filtercmd+=' -o -name "*.ko.xz"'
1225         _filtercmd+=' 2>/dev/null'
1226     else
1227         _filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename '
1228         _filtercmd+='-k $KERNEL_VER 2>/dev/null'
1229     fi
1230     for _modname in $(eval $_filtercmd); do
1231         case $_modname in
1232             *.ko) "$2" "$_modname" && echo "$_modname";;
1233             *.ko.gz) gzip -dc "$_modname" > $initdir/$$.ko
1234                 $2 $initdir/$$.ko && echo "$_modname"
1235                 rm -f $initdir/$$.ko
1236                 ;;
1237             *.ko.xz) xz -dc "$_modname" > $initdir/$$.ko
1238                 $2 $initdir/$$.ko && echo "$_modname"
1239                 rm -f $initdir/$$.ko
1240                 ;;
1241         esac
1242     done
1243 )
1244 find_kernel_modules_by_path () (
1245     if ! [[ $hostonly ]]; then
1246         find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra" "$KERNEL_MODS/weak-updates" \
1247           -name "*.ko" -o -name "*.ko.gz" -o -name "*.ko.xz" 2>/dev/null
1248     else
1249         cut -d " " -f 1 </proc/modules \
1250         | xargs modinfo -F filename -k $KERNEL_VER 2>/dev/null
1251     fi
1252 )
1253
1254 filter_kernel_modules () {
1255     filter_kernel_modules_by_path  drivers  "$1"
1256 }
1257
1258 find_kernel_modules () {
1259     find_kernel_modules_by_path  drivers
1260 }
1261
1262 # instmods [-c] <kernel module> [<kernel module> ... ]
1263 # instmods [-c] <kernel subsystem>
1264 # install kernel modules along with all their dependencies.
1265 # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage"
1266 instmods() {
1267     [[ $no_kernel = yes ]] && return
1268     # called [sub]functions inherit _fderr
1269     local _fderr=9
1270     local _check=no
1271     if [[ $1 = '-c' ]]; then
1272         _check=yes
1273         shift
1274     fi
1275
1276     function inst1mod() {
1277         local _ret=0 _mod="$1"
1278         case $_mod in
1279             =*)
1280                 if [ -f $KERNEL_MODS/modules.${_mod#=} ]; then
1281                     ( [[ "$_mpargs" ]] && echo $_mpargs
1282                       cat "${KERNEL_MODS}/modules.${_mod#=}" ) \
1283                     | instmods
1284                 else
1285                     ( [[ "$_mpargs" ]] && echo $_mpargs
1286                       find "$KERNEL_MODS" -path "*/${_mod#=}/*" -printf '%f\n' ) \
1287                     | instmods
1288                 fi
1289                 ;;
1290             --*) _mpargs+=" $_mod" ;;
1291             i2o_scsi) return ;; # Do not load this diagnostic-only module
1292             *)
1293                 _mod=${_mod##*/}
1294                 # if we are already installed, skip this module and go on
1295                 # to the next one.
1296                 [[ -f "$initdir/.kernelmodseen/${_mod%.ko}.ko" ]] && return
1297
1298                 if [[ $omit_drivers ]] && [[ "$1" =~ $omit_drivers ]]; then
1299                     dinfo "Omitting driver ${_mod##$KERNEL_MODS}"
1300                     return
1301                 fi
1302                 # If we are building a host-specific initramfs and this
1303                 # module is not already loaded, move on to the next one.
1304                 [[ $hostonly ]] && ! grep -qe "\<${_mod//-/_}\>" /proc/modules \
1305                     && ! echo $add_drivers | grep -qe "\<${_mod}\>" \
1306                     && return
1307
1308                 # We use '-d' option in modprobe only if modules prefix path
1309                 # differs from default '/'.  This allows us to use Dracut with
1310                 # old version of modprobe which doesn't have '-d' option.
1311                 local _moddirname=${KERNEL_MODS%%/lib/modules/*}
1312                 [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/"
1313
1314                 # ok, load the module, all its dependencies, and any firmware
1315                 # it may require
1316                 for_each_kmod_dep install_kmod_with_fw $_mod \
1317                     --set-version $KERNEL_VER ${_moddirname} $_mpargs
1318                 ((_ret+=$?))
1319                 ;;
1320         esac
1321         return $_ret
1322     }
1323
1324     function instmods_1() {
1325         local _mod _mpargs
1326         if (($# == 0)); then  # filenames from stdin
1327             while read _mod; do
1328                 inst1mod "${_mod%.ko*}" || {
1329                     if [ "$_check" = "yes" ]; then
1330                         dfatal "Failed to install $_mod"
1331                         return 1
1332                     fi
1333                 }
1334             done
1335         fi
1336         while (($# > 0)); do  # filenames as arguments
1337             inst1mod ${1%.ko*} || {
1338                 if [ "$_check" = "yes" ]; then
1339                     dfatal "Failed to install $1"
1340                     return 1
1341                 fi
1342             }
1343             shift
1344         done
1345         return 0
1346     }
1347
1348     local _ret _filter_not_found='FATAL: Module .* not found.'
1349     set -o pipefail
1350     # Capture all stderr from modprobe to _fderr. We could use {var}>...
1351     # redirections, but that would make dracut require bash4 at least.
1352     eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \
1353     | while read line; do [[ "$line" =~ $_filter_not_found ]] && echo $line || echo $line >&2 ;done | derror
1354     _ret=$?
1355     set +o pipefail
1356     return $_ret
1357 }
1358
1359 # inst_libdir_file [-n <pattern>] <file> [<file>...]
1360 # Install a <file> located on a lib directory to the initramfs image
1361 # -n <pattern> install non-matching files
1362 inst_libdir_file() {
1363     if [[ "$1" == "-n" ]]; then
1364         local _pattern=$1
1365         shift 2
1366         for _dir in $libdirs; do
1367             for _i in "$@"; do
1368                 for _f in "$_dir"/$_i; do
1369                     [[ "$_i" =~ $_pattern ]] || continue
1370                     [[ -e "$_i" ]] && dracut_install "$_i"
1371                 done
1372             done
1373         done
1374     else
1375         for _dir in $libdirs; do
1376             for _i in "$@"; do
1377                 for _f in "$_dir"/$_i; do
1378                     [[ -e "$_f" ]] && dracut_install "$_f"
1379                 done
1380             done
1381         done
1382     fi
1383 }
1384
1385 setup_suse() {
1386     ln -fs ../usr/bin/systemctl $initdir/bin/
1387     ln -fs ../usr/lib/systemd $initdir/lib/
1388     inst_simple "/usr/lib/systemd/system/haveged.service"
1389 }
1390
1391 # can be overridden in specific test
1392 test_cleanup() {
1393     umount $TESTDIR/root 2>/dev/null || true
1394     [[ $LOOPDEV ]] && losetup -d $LOOPDEV || true
1395     return 0
1396 }
1397
1398 test_run() {
1399     if [ -z "$TEST_NO_QEMU" ]; then
1400         if run_qemu; then
1401             check_result_qemu || return 1
1402         else
1403             dwarn "can't run QEMU, skipping"
1404         fi
1405     fi
1406     if [ -z "$TEST_NO_NSPAWN" ]; then
1407         if run_nspawn; then
1408             check_result_nspawn || return 1
1409         else
1410             dwarn "can't run systemd-nspawn, skipping"
1411         fi
1412     fi
1413     return 0
1414 }
1415
1416 do_test() {
1417     if [[ $UID != "0" ]]; then
1418         echo "TEST: $TEST_DESCRIPTION [SKIPPED]: not root" >&2
1419         exit 0
1420     fi
1421
1422 # Detect lib paths
1423     [[ $libdir ]] || for libdir in /lib64 /lib; do
1424         [[ -d $libdir ]] && libdirs+=" $libdir" && break
1425     done
1426
1427     [[ $usrlibdir ]] || for usrlibdir in /usr/lib64 /usr/lib; do
1428         [[ -d $usrlibdir ]] && libdirs+=" $usrlibdir" && break
1429     done
1430
1431     mkdir -p "$STATEDIR"
1432
1433     import_testdir
1434     import_initdir
1435
1436     while (($# > 0)); do
1437         case $1 in
1438             --run)
1439                 echo "TEST RUN: $TEST_DESCRIPTION"
1440                 if test_run; then
1441                     echo "TEST RUN: $TEST_DESCRIPTION [OK]"
1442                 else
1443                     echo "TEST RUN: $TEST_DESCRIPTION [FAILED]"
1444                 fi
1445                 exit $ret;;
1446             --setup)
1447                 echo "TEST SETUP: $TEST_DESCRIPTION"
1448                 test_setup
1449                 ;;
1450             --clean)
1451                 echo "TEST CLEANUP: $TEST_DESCRIPTION"
1452                 test_cleanup
1453                 rm -fr "$TESTDIR"
1454                 rm -f "$STATEFILE"
1455                 ;;
1456             --all)
1457                 ret=0
1458                 echo -n "TEST: $TEST_DESCRIPTION ";
1459                 (
1460                     test_setup && test_run
1461                     ret=$?
1462                     test_cleanup
1463                     rm -fr "$TESTDIR"
1464                     rm -f "$STATEFILE"
1465                     exit $ret
1466                 ) </dev/null >"$TESTLOG" 2>&1 || ret=$?
1467                 if [ $ret -eq 0 ]; then
1468                     rm "$TESTLOG"
1469                     echo "[OK]"
1470                 else
1471                     echo "[FAILED]"
1472                     echo "see $TESTLOG"
1473                 fi
1474                 exit $ret;;
1475             *) break ;;
1476         esac
1477         shift
1478     done
1479 }